development and preparation of standard sample
electrolyte standard sample
environmental standard sample
geochemical standard sample
geologic standard sample of loess
geological standard sample
high-silicon aluminum alloy standard sample
man-made standard sample
molecular mass standard sample
n-type Ge standard sample
Ore Sample Standard Method
polymetal ore standard sample
preservation test of standard sample
Recalibration standard sample
sample standard deviation
样品标准差
样本标准偏差
试样标准偏差
样本标准差
样本标准离差
Sample Standard Deviation δn-1
Spectral Standard Sample